C11112331333132311331333133313231333131133131211113313332112323221   >>    C1111233133313231133133313331323133313113313121111331333211232322   <<    C11112331333132311331333133313231333131133131211113313332112323223   >>      C11112331333132311331333133313231333131133131211113313332112323222   >>